OpenTechnical

OT-2026-000026752

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000026752) never changes.

Identity and time

Publication numberOT-2026-000026752 · never reused
Internal UUID01a0ae72-3451-74a7-811a-69449446332b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026752
StatusPUBLIC

Content hashes

Canonical text94e901603e6d11953199b1a35c22e86f13441b6976938d7f86c9f744f9d2367d
Markdown7f2773aeb5e63cecde67f0294e3c62063974a00401953c030a70b8f90b40b6ec
PDF
Publication page252b456680bdfaffc019210d7dc4fa1a90f0e5f3c8dfb01bcf48d03813062ba4
Manifest943cd7bba10ae85df783a739f1a74efe9041045f32ca657e57c17bd81d2e93dc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturey1q4VupcvETHoV+pgCECPx4pbKvOWe0HcFUwaBEcn2mvkoZOZXTdTJPCzPfrw5XnIMU0Piygkw6qAB6WZ0/VCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:19.296377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026752
observed 252b456680bdfaffc019210d7dc4fa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.279527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026752/manifest.json
observed 943cd7bba10ae85df783a739f1a74efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.259884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026752/publication.md
observed 7f2773aeb5e63cecde67f0294e3c6206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.244471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026752/publication.txt
observed 94e901603e6d11953199b1a35c22e86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.